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// Portions Copyright [2018] PAyara Foundation and/or affiliates

package com.sun.enterprise.config.modularity.parser;

import com.sun.enterprise.config.util.ConfigApiLoggerInfo;

import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.ConfigParser;
import org.jvnet.hk2.config.Dom;
import org.jvnet.hk2.config.DomDocument;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;


/**
 * populate the a DomDocument from the given configuration snippet file containing a config bean configuration.
 *
 * @author Bhakti Mehta
 * @author Masoud Kalali
 */
public class ConfigurationPopulator {

    private static final Logger LOG = ConfigApiLoggerInfo.getLogger();
    private final DomDocument doc;
    private final ConfigBeanProxy parent;
    private final String xmlContent;

    public ConfigurationPopulator(String xmlContent, DomDocument doc, ConfigBeanProxy parent) {
        this.xmlContent = xmlContent;
        this.doc = doc;
        this.parent = parent;
    }

    public void run(ConfigParser parser) {
        try {
            InputStream is = new ByteArrayInputStream(xmlContent.getBytes());
            XMLStreamReader reader = XMLInputFactory.newFactory().createXMLStreamReader(is, "utf-8");
            parser.parse(reader, doc, Dom.unwrap((ConfigBeanProxy) parent));
        } catch (XMLStreamException e) {
            LOG.log(Level.SEVERE, ConfigApiLoggerInfo.DEFAULT_CFG_READ_FAILED, e);
        }
    }
}
